1.
make free from confusion or ambiguity; make clear
2.
cause to form crystals or assume crystalline form
3.
cause to take on a definite and clear shape
4.
assume crystalline form; become crystallized
derived forms
1. Crystallise / Past
crystallised
2. Crystallise / Third Person
crystallises
3. Crystallise / Present Participle
crystallising
Over one million Pet Rocks were sold in 1975, makine Gary Dahl, of Los Gatos, California, a millionaire. He got the idea while joking with friends about his pet that was easy to take care of, which was a rock.